Heavily butter popover pan. Even if it's non-stick it gives the popovers a buttery, crisp outer shell.
Preheat oven to 450 degrees. Before pouring batter into popover pan, put pan in preheated over for 5 minutes.
Mix the flour and salt
Beat eggs until light.
Add milk and butter to eggs.
Slowly pour in egg, milk and butter mixture into flour mixture.
Stir until blended. with an electric hand mixer.
Beat 2 minutes
Remove popover pan from oven and fill one-third full.
Bake 15 minutes at 450.
Then reduce heat to 350 and bake for 10-12 minutes until golden brown. Don't peek!
Pierce the side of each popover with a sharp knife to release the steam so they don't get soggy.
Serve hot with butter and jam.